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Marine impeller DIN class 6 gear shaft assembly

  • involute

  • 17CrNiMo6

  • 20°

  • DIN 3962 Class 6

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Gear Basic Data
Gear Tooth Shape involute
Gear Material 17CrNiMo6
Gear Process forging, lathing, drilling, hobbing, carburizing, tooth grinding
Pressure Angle 20°
Quality level DIN 3962 Class 6
Gear Type Mn=2.75, Z=88, β=12°; Mn=2.5, Z=168, β=12°


CAPABILITIES OF GEAR/ SPLINE


INTERNAL GEARS AND INTERNAL SPLINES

MILLING

SHAPING

TOOTH GRINDING

Maximum O.D.

2500 mm

2500 mm

2500 mm

Minimum I.D.

650 mm

50 mm

100 mm

Maximum Face Width

500 mm

500 mm

500 mm

Maximum Diametral Pitch

DP 1

DP 1

DP 0.5

Maximum Module

26 mm

26 mm

45 mm

AGMA Level/ DIN Level

DIN Class 8

DIN Class 8

DIN Class 4

Tooth Surface Finishing

Ra 3.2

Ra 3.2

Ra 0.6

Maximum Helix Angle

±22.5°

±22.5°

±45°




EXTERNAL GEARS AND EXTERNAL SPLINES

HOBBING

MILLING

TOOTH GRINDING

Maximum O.D.

1250 mm

2500 mm

2500 mm

Minimum O.D.

20 mm

200 mm

20 mm

Maximum Face Width

500 mm

500 mm

1480 mm

Maximum Diametral Pitch

DP 1

DP 1

DP 0.5

Maximum Module

26 mm

26 mm

45 mm

AGMA Level/ DIN Level

DIN Class 8

DIN Class 8

DIN Class 4

Tooth Surface Finishing

Ra 3.2

Ra 3.2

Ra 0.6

Maximum Helix Angle

±45°

±45°

±45°


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